Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong cong da snippets" » "cong cong da snippets", "tong cong da snippets", "dong cong da snippets", "mong cong dan snippets", "mong cong dac snippets", "mong cong dau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mong cong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong cong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong cong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong cong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.